This method includes decomposition of sound channel signal processing at other nodes and using proper transmitting-receiving protocol.

其中包括海洋声信道分解、号处理异地化以及定制收发协议等。

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Therefore it is a world-wide hot topic and urgent affair to implement all-optical switching and all-optical signal processing in optical network nodes since the beginning of this century.

因此，变革传统的“光-电-光”信息交换方式，在网络节点上实施全光交换和全光信号处理是本世纪以来的全球研究热点，也是当务之急。

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This method includes decomposition of sound channel, signal processing at other nodes, and using proper transmitting-receiving protocol.

其中包括海洋声信道分解、号处理异地化以及定制收发协议等。

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